ATLAS Theses

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2021-03-04
20:39

Search for Dark Matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{\textrm{s}}$= 13 TeV with the ATLAS detectorSearch for Dark Matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{\textrm{s}}$= 13 TeV with the ATLAS detector / Aakvaag, Erlend
This thesis presents a search for Dark Matter produced in association with the Standard Model Higgs boson decaying into two tau leptons at $\sqrt{s}=13$ TeV using Run 2 data from the ATLAS detector corresponding to an integrated luminosity of 139 fb$^{-1}$ [...]
CERN-THESIS-2020-293 - 113 p.

2021-03-04
17:38

2021-03-03
16:41

Estimating the Sensitivity to New Resonances Decaying to Boosted Quark Pairs and Produced in Association with a Photon in the ATLAS Experiment / Schimmel Brener, Roy
Particle physics' most solidified theory is the Standard Model, which includes three of the four known interactions in the Universe, namely the electromagnetic, weak and strong [...]
CERN-THESIS-2020-291 - 71 p.

2021-03-02
10:56

Search for charged Higgs bosons with tau-lepton signatures at the ATLAS experiment of the Large Hadron Collider and development of novel semiconductor particle detectors / Asimakopoulou, Eleni Myrto
Experimental High Energy Physics (HEP) studies are discussed in the context of exotic particle searches and data analysis techniques and the development and production of suitable detectors [...]
CERN-THESIS-2021-010 - Uppsala : Acta Universitatis Upsaliensis, 2021-02-04. - 192 p.

2021-03-01
09:45

Measurement of the differential $W\to\mu+\nu$ cross section at high transverse masses at $\sqrt{s}=13\,$TeV with the ATLAS detector / Kraus, Johanna Wanda
In this thesis, the measurement of the cross section of the charged-current Drell-Yan process in the muonic decay channel is presented [...]
CERN-THESIS-2020-287 -

2021-02-24
09:42

Search for New Heavy Charged Bosons and Singly Produced Leptoquarks with the ATLAS Experiment / Herr, Holger Arnold
In the years 2015 to 2018 the Large Hadron Collider (LHC) at CERN collided protons at a center of mass energy of $\rm \sqrt{s} = 13\,{\rm TeV}$ while operating at a very high instantaneous luminosity [...]
CERN-THESIS-2020-284 -

2021-02-22
22:16

Observation of light-by-light scattering in heavy-ion collisions with the ATLAS detector at the LHC / Hamdaoui, Hassane
Observation of light-by-light scattering in heavy-ion collisions with the ATLAS detector at the LHC is carried out with data collected by ATLAS detector in 2015 and 2018 corresponding to a total luminosity of 2.2$\mathrm{nb}^{-1}$ [...]
CERN-THESIS-2021-006 - 155 p.

2021-02-20
13:29

Calibration of electron shower shapes, hadronic recoil reconstruction using deep learning algorithms and the measurement of W boson transverse momentum distribution with the ATLAS detector / Khandoga, Mykola
The initial part of the thesis contains the description of the method for electromagnetic calorimeter calibration, correcting for the Data-MC discrepancy in the development of the electromagnetic showers in the calorimeter [...]
CERN-THESIS-2020-281 - 256 p.

2021-02-19
19:21

Search for New Physics through Higgs-Boson-Pair Production at the LHC and Beyond / Paredes Saenz, Santiago Rafael
This thesis presents a search for resonant production of highly energetic Higgs boson pairs, with each Higgs boson decaying to a $b$-quark pair, with the ATLAS detector [...]
CERN-THESIS-2020-280 - 154 p.

2021-02-18
17:52

Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks / Honig, Thomas Gerhard
In this thesis, a neural network-based multivariate analysis is presented for the cross section measurement of the associated Higgs production channel \begin{align*} pp\rightarrow W \rightarrow WH \rightarrow WWW^*\rightarrow 3\ell~3\nu \end{align*} with the Higgs boson decaying into two \W~boso [...]
CERN-THESIS-2020-278 - 144 p.

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